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authorptitSeb <sebastien.chev@gmail.com>2023-02-20 16:38:27 +0100
committerptitSeb <sebastien.chev@gmail.com>2023-02-20 16:38:27 +0100
commit9ef48de1a860a3fc2ce33e7aaaa942212b279613 (patch)
tree6da956d8cb1076db0165ce5aff0571b57f3a266b /src
parent692ad43285a4182669254449d343066e2bdfe318 (diff)
downloadbox64-9ef48de1a860a3fc2ce33e7aaaa942212b279613.tar.gz
box64-9ef48de1a860a3fc2ce33e7aaaa942212b279613.zip
[DYNAREC] Fixed LZCNT and TZCNT opcode, for good
Diffstat (limited to 'src')
-rwxr-xr-xsrc/dynarec/arm64/dynarec_arm64_f30f.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_f30f.c b/src/dynarec/arm64/dynarec_arm64_f30f.c
index 1f60b843..2d0b8c6b 100755
--- a/src/dynarec/arm64/dynarec_arm64_f30f.c
+++ b/src/dynarec/arm64/dynarec_arm64_f30f.c
@@ -367,13 +367,13 @@ uintptr_t dynarec64_F30F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
             GETED(0);

             GETGD;

             TSTxw_REG(ed, ed);

-            CSETw(x1, cEQ);

-            BFIw(xFlags, x1, F_CF, 1);  // CF = is source 0?

-            RBITxw(x1, ed);   // reverse

-            CLZxw(gd, x1);    // x2 gets leading 0 == TZCNT

+            CSETw(x3, cEQ);

+            BFIw(xFlags, x3, F_CF, 1);  // CF = is source 0?

+            RBITxw(x3, ed);   // reverse

+            CLZxw(gd, x3);    // x2 gets leading 0 == TZCNT

             TSTxw_REG(gd, gd);

-            CSETw(x1, cEQ);

-            BFIw(xFlags, x1, F_ZF, 1);  // ZF = is dest 0?

+            CSETw(x3, cEQ);

+            BFIw(xFlags, x3, F_ZF, 1);  // ZF = is dest 0?

             break;

         case 0xBD:

             INST_NAME("LZCNT Gd, Ed");

@@ -383,12 +383,12 @@ uintptr_t dynarec64_F30F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
             GETED(0);

             GETGD;

             TSTxw_REG(ed, ed);

-            CSETw(x1, cEQ);

-            BFIw(xFlags, x1, F_CF, 1);  // CF = is source 0?

+            CSETw(x3, cEQ);

+            BFIw(xFlags, x3, F_CF, 1);  // CF = is source 0?

             CLZxw(gd, ed);    // x2 gets leading 0 == LZCNT

             TSTxw_REG(gd, gd);

-            CSETw(x1, cEQ);

-            BFIw(xFlags, x1, F_ZF, 1);  // ZF = is dest 0?

+            CSETw(x3, cEQ);

+            BFIw(xFlags, x3, F_ZF, 1);  // ZF = is dest 0?

             break;

 

         case 0xC2: